ISL267450AIUZ datasheet(7/17 Pages) INTERSIL

部件名	ISL267450AIUZ

功能描述	10-Bit and 12-Bit, 1MSPS SAR ADCs

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制造商	INTERSIL [Intersil Corporation]

网页	http://www.intersil.com/cda/home

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7 / 17 page

ISL267440, ISL267450A

7

FN7708.0

December 5, 2011

Timing Specifications Limits established by characterization and are not production tested. VDD = 3.0V to 3.6V, fSCLK =18MHz,

fS =1MSPS, VREF = 2.0V; VDD = 4.75V to 5.25V, fSCLK =18MHz, fS = 1MSPS, VREF =2.5V; VCM = VREF unless otherwise noted. Boldface limits apply over

the operating temperature range, -40°C to +85°C.

SYMBOL

PARAMETER

TEST CONDITIONS

MIN

(Note 7)

TYP

MAX

(Note 7)

UNITS

fSCLK

Clock Frequency

0.01

18

MHz

tSCLK

Clock Period

55

ns

tACQ

Acquisition Time

200

ns

tCONV

Conversion Time

888

ns

tCSW

CS Pulse Width

10

ns

tCSS

CS Falling Edge to SCLK Falling Edge Setup Time

10

ns

tCDV

CS Falling Edge to SDATA Valid

20

ns

tCLKDV

SCLK Falling Edge to SDATA Valid

40

ns

tSDH

SCLK Falling Edge to SDATA Hold

10

ns

tSW

SCLK Pulse Width

0.4 x tSCLK

ns

tDISABLE

SCLK Falling Edge to SDATA Disable Time

(Note 9)

Extrapolated back to true bus relinquish

10

35

ns

tQUIET

Quiet Time Before Sample

60

ns

NOTE:

9. During characterization, tDISABLE is measured from the release point with a 10pF load (see Figure 4) and the equivalent timing using the

AD7440/450A loading (25pF) is calculated.

FIGURE 3. SERIAL INTERFACE TIMING DIAGRAM

C YC LE

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

CSB

SC LK

DO UT

18M H z = 55.5556ns PER IO D

1

D0

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

D0

MSB

BIT10

BIT 9

BIT 8

BIT7

BIT 6

BIT 5

BIT4

BIT3

BIT2

BIT1

T/H TO HO LD M O DE , DOUT VA LID

T/H TO SA M PLE M O D E

DOUT TR ISTA TE

DO UT

D0

MSB

BIT 8

BIT7

BIT 6

BIT 5

BIT4

BIT3

BIT2

BIT1

ISL267440 DATA O U TPUT

ISL267450A DATA O U TPUT

BIT 0

BIT0

FIGURE 4. EQUIVALENT LOAD CIRCUIT

OUTPUT

CL

10pF

VDD

2.85k

Ω

RL

类似零件编号 - ISL267450AIUZ

制造商	部件名	数据表	功能描述
Intersil Corporation	ISL267450AIUZ	655Kb / 18P	10-Bit and 12-Bit, 1MSPS SAR ADCs June 28, 2012
Renesas Technology Corp	ISL267450AIUZ	1Mb / 18P	10-Bit and 12-Bit, 1MSPS SAR ADCs June 28, 2012
Intersil Corporation	ISL267450AIUZ-T	655Kb / 18P	10-Bit and 12-Bit, 1MSPS SAR ADCs June 28, 2012
Renesas Technology Corp	ISL267450AIUZ-T	1Mb / 18P	10-Bit and 12-Bit, 1MSPS SAR ADCs June 28, 2012
Intersil Corporation	ISL267450AIUZ-T7A	655Kb / 18P	10-Bit and 12-Bit, 1MSPS SAR ADCs June 28, 2012

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类似说明 - ISL267450AIUZ

制造商	部件名	数据表	功能描述
Intersil Corporation	ISL267440IUZ	655Kb / 18P	10-Bit and 12-Bit, 1MSPS SAR ADCs June 28, 2012
Renesas Technology Corp	ISL267440	1Mb / 18P	10-Bit and 12-Bit, 1MSPS SAR ADCs June 28, 2012
Intersil Corporation	ISL26712	891Kb / 21P	12-Bit, 10-Bit and 8-Bit, 1MSPS SAR ADCs
Renesas Technology Corp	ISL26712	1Mb / 21P	12-Bit, 10-Bit and 8-Bit, 1MSPS SAR ADCs
Intersil Corporation	ISL26712IRTZ	888Kb / 21P	12-Bit, 10-Bit and 8-Bit, 1MSPS SAR ADCs September 5, 2012
Intersil Corporation	ISL267450	747Kb / 19P	12-Bit, 1MSPS SAR ADCs
Renesas Technology Corp	ISL267450	1Mb / 19P	12-Bit, 1MSPS SAR ADCs
Intersil Corporation	ISL267450IBZ	744Kb / 19P	12-Bit, 1MSPS SAR ADCs August 10, 2012
Analog Devices	AD7475ARZ	453Kb / 24P	1MSPS,12-Bit ADCs REV. B
ams AG	AS1545	1Mb / 34P	Dual, 12-Bit, 1MSPS, SAR ADC